| |||
| 氮含量 | |||
| 总氮量 | |||
| 含氮量 | |||
|
nitrogen content : 13 phrases in 10 subjects |
| Agriculture | 2 |
| Animal husbandry | 1 |
| Chemistry | 1 |
| Desert science | 1 |
| Ecology | 2 |
| Food industry | 1 |
| Food service and catering | 1 |
| General | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| |||
| 氮含量 | |||
| 总氮量 | |||
| 含氮量 | |||
|
nitrogen content : 13 phrases in 10 subjects |
| Agriculture | 2 |
| Animal husbandry | 1 |
| Chemistry | 1 |
| Desert science | 1 |
| Ecology | 2 |
| Food industry | 1 |
| Food service and catering | 1 |
| General | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |